Series 2000

Robust Construction and Reliability

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Series 2000 Desiccant Dehumidifiers

DESICAiR Industrial Duty Dry Desiccant Dehumidifiers for Industrial Applications

The strong solution
The strong solution
Outdoor units with inverter technology.
The smart solution
The smart solution
Outdoor units with inverter technology.

Product Overview

At a glance



  • Warehouse and storage facilities
  • Pneumatic conveying (Product silos)
  • Museums
  • Pharmaceutical manufacturing
  • Film storage
  • Corrosion and condensation prevention
  • Document archives
  • Mold and mildew prevention
  • Military equipment preservation
  • Electronics storage
  • Laboratories and clean rooms
  • Water treatment plants
  • Food processing





  • Low maintenance - easy access to all internal components

  • Flexible - many pre-designed options to meet your needs

  • Versatile - space or process conditioning, controls relative to humidity or dew point

  • High grade 5052 aluminum alloy construction provides air tight construction (low air leakage, corrosion protection and light weight)

  • Made in the USA

  • Single point power connection

  • Advanced silica gel desiccant rotor

  • Dual-double lipped, continuous, high temperature, silicone rotor seals

  • Solid state controls

  • Industrial control panel UL508A listed

  • NEMA rated electrical enclosure

  • NRTL Cert. to UL 1995 Stds on electric & steam units, optional on gas units

  • Electric, steam or direct fired natural gas reactivation of desiccant rotor

  • Low air leakage, corrosion protection and light weight contruction

  • Convenient service access to all operating components

  • Hinged cabinet access doors

  • Various capacity control options available

  • Low maintenance-easy access to all internal components

  • Electric, gas or steam reactivation

  • Round or square duct connections

  • LED status indicator lights

  • Remote unit starting/monitoring

  • Optional blower configurations

Technical Data

Efficient Moisture Removal

DESICAiR units utilize a desiccant rotor which contains silica gel “in situation” formed on the substrate. This results in very high desiccant loading which provides efficient moisture removal.

Humidity can be reduced to levels well below that which is achievable with a conventional refrigerant based dehumidification system. Maintenance issues associated with granular bed or liquid desiccant systems are avoided. Each dehumidifier is complete with all the necessary blowers, controls, filters and drive components to assure the safe and automatic operation of the unit.




Standard controls across all products

STULZ E2 the standard microprocessor controller across all STULZ product platforms.  E2 provides precision monitoring and control of your mission critical environment. 

STULZ E2 Controller ties everything together

  • Designed specifically for precision control of mission critical environments

  • Multiple I/O capabilities for all major components to optimize control for energy savings

  • Supports universal BMS interface for remote monitoring (address readable) and remote control (address writable)

  • Capable of network controllers in a workgroup (pLAN) to work as one (no BMS required)

  • Pre-engineered controls for economizers and adiabatic cooling


  • Backlit LCD alphanumeric display for visual indication
  • Optional UPS backup module
  • Operated via 6-key menus, in five different modes
  • Independent EC Fan and cooling control (CW valve or DX)
  • Unit functions for cooling, heating, humidifying and dehumidifying
  • Cooling control sequence: return air temperature, humidity, supply air temperature, dew point
  • Three levels of restricted entry into the configuration
  • Fan control sequence: BMS, local/static pressure, and temperature based (supply or return air)
  • Sensor inputs control inputs/outputs
  • Capable of networking up to eight E2 controllers with an independent LAN
  • Additional I/O sensors and alarms
  • Psychrometric control provided as a user configurable temperature and humidity (relative humidity) or dew point control

STULZ E2 Controller communicates with BMS/BAS systems via the following protocols:

  • BACnet IP
  • SNMP V1, V2c
  • BACnet over Ethernet
  • Modbus IP
  • BACnet MS.TP
  • Modbus RTU
  • HTTP


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